The city had suspended Castaldi without pay Friday, while the Providence police were investigating whether he has violated the law, the mayor’s office confirmed earlier Saturday.

“The city’s deputy tax collector was suspended without pay yesterday after the administration was made aware of alleged inappropriate activity,” David Ortiz, spokesman for Mayor Angel Taveras, said in a written statement. “The Providence police are investigating to determine whether any violation of law occurred. Mayor Taveras holds all employees of the city accountable to the highest standard of personal and professional conduct.”

Paré said an arrest report was not immediately available Saturday and might not even be complete yet since detectives were working the case late Friday evening. He said it would likely be available Monday. Castaldi was arraigned and given a court date, Paré said.